Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 356,432	$ 409,338
Accounts receivable	850,868	635,026
Inventories	2,426,956	1,951,513
Restricted cash - due to former member	387,467	387,455
Prepaids and other current assets	423,115	344,627
Total current assets	4,444,838	3,727,959
Long-term assets
Restricted cash	614,315	453,575
Property, plant and equipment, net	1,924,406	1,935,535
Goodwill	1,376,584	1,376,584
Patents and other intangibles, net	4,472,504	4,511,641
Total long-term assets	8,387,809	8,277,335
Total assets	12,832,647	12,005,294
Current liabilities
Accounts payable	2,330,360	1,619,229
Accrued liabilities	872,868	1,139,477
Current portion of unearned revenue	2,652,140	2,688,128
Current portion of related party notes payable	60,000	60,000
Current installments of notes payable	7,564	7,437
Total current liabilities	5,922,932	5,514,271
Long-term liabilities
Obligation for lease disposal costs	480,815	478,424
Unearned revenue, net of current portion	688,980	688,980
Related party notes payable, net of current portion and debt discount	426,239	419,534
Notes payable, net of current portion	26,802	28,741
Mandatorily redeemable convertible preferred stock	4,560,501	4,528,417
Total long-term liabilities	6,183,337	6,144,096
Total liabilities	12,106,269	11,658,367
Stockholders' Equity (Note 9)
Common stock	4,099,221	4,067,907
Additional paid-in capital	120,648,517	120,398,620
Accumulated deficit	(125,662,441)	(125,696,845)
Deficit attributable to International Isotopes Inc. stockholders	(914,703)	(1,230,318)
Equity attributable to noncontrolling interest	1,641,081	1,577,245
Total equity	726,378	346,927
Total liabilities and stockholders' equity	$ 12,832,647	$ 12,005,294